Matt Kelsey
Principal Software Engineer at Olio
Carmel, Indiana, United States
Summary
👤
Senior🎓
Top SchoolMatt Kelsey is a Principal Software Engineer with 14+ years of experience building and modernizing enterprise web applications and integration systems, currently leading engineering at Olio from Carmel, Indiana. He blends hands-on development (C#, Python, Ruby, JavaScript) with architecture and delivery leadership, having driven SaaS, mobile web, and large-scale ingestion projects like HL7-to-FHIR modernization. Matt has repeatedly led small technical teams to transform legacy systems into event-driven, service-oriented platforms and has deep experience across databases (SQL Server, Postgres, Oracle, DB2) and frameworks (Django, Rails, Flask). Known for solving thorny performance and integration problems, he also designs logging, diagnostics and monitoring strategies that keep production systems reliable. He enjoys working directly with customers and mentoring engineers, seeking roles where he can both teach and learn. A practical polyglot, he pairs a penchant for clean architecture with a track record of shipping impactful, enterprise-grade solutions.
14 years of coding experience
24 years of employment as a software developer
Bachelor of Science, Bachelor of Science at Purdue University
Stackoverflow
13reputation
58reached
0answers
1question
Github Skills (68)
thin10
angular10
opentofu9
cli9
developer-tools9
material-design-lite9
terraform9
aws9
material-design9
directive8
infrastructure8
devops8
material-components7
javascript7
authenticate7
Programming languages (5)
Github contributions (5)
kelsmj/kelsmj.github.com
Apr 2013 - May 2013
Contributions:10 commits in 1 month
kelsmj/FlickrOAuth
Jul 2011 - Aug 2013
Contributions:13 commits in 2 years 2 months
apiflickr-apiauthenticationoauth2authenticate
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